Rich snippets do indirectly improve SEO. Using a structured facts markup with a website alone would not Enhance the chance of a greater rating in search results. "Invalid floating stage number in residence 'cost' . the issue is introduced on all products that show up in my house page. The https://www.presta-addons-modules.com/en/opencart-seo-automatic-google-rich-snippets-json-ld-integration-opengraph-twitter-tags-schemaorg.html